Overview; Cable Types And Lengths - Allen-Bradley 1769 Installation Instructions Manual

4 1769 Compact I/O Communication Bus Expansion Cables

Overview

The 1769-CLLx, -CRRx, and -CRLx cables extend the 1769 bus communication
lines. A maximum of two cables can be used in a 1769 system, allowing for three
groups or banks of I/O modules. Each bank requires its own power supply.
See System Configurations on page 5.
• Some controllers do not support three I/O banks. Refer to your
Note:
controller's manual for details.
• Some controllers provide power to the I/O bank. Refer to your
controller's manual for details.

Cable Types and Lengths

Catalog Number
1769-CLL1
1769-CLL3
1769-CRR1
1769-CRR3
1769-CRL1
1769-CRL3
(1)
Approximate cable length is measured from end-to-end of the cable only.
15 mm
(0.59 in.)
1769-CLLx
1769-5.15
Cable Type
Left bank-to-left bank expansion
Left bank-to-left bank expansion
Right bank-to-right bank expansion
Right bank-to-right bank expansion
Right bank-to-left bank expansion
Right bank-to-left bank expansion
32 mm
(1.26 in.)
18 mm
(0.71 in.)
1769-CRRx
118 mm
(4.65 in.)
(1)
Length
305 mm (1 ft.)
1 m (3.28 ft.)
305 mm (1 ft.)
1 m (3.28 ft.)
305 mm (1 ft.)
1 m (3.28 ft.)
18 mm
(0.71 in.)
1769-CRLx
15 mm
(0.59 in.)
118 mm
(4.65 in.)
32 mm
(1.26 in.)
118 mm
(4.65 in.)